class_docstr: Gathers and serializes an object graph.
class_docstr_tok: ["Gathers","and","serializes","an","object","graph","."]
code: def root(self):
      if isinstance(self._root_ref, weakref.ref):
          derefed = self._root_ref()
          assert derefed is not None
          return derefed
      else:
          return self._root_ref
  
file_path: tensorflow/tensorflow/python/checkpoint/graph_view.py
imports: import copy
  import weakref
  from tensorflow.python.checkpoint import save_util_v1
  from tensorflow.python.checkpoint import trackable_view
  from tensorflow.python.trackable import base
  from tensorflow.python.util.tf_export import tf_export
label_desc: Use image node_id 6 for calling the ObjectGraphView obj's underlying member method code with example usage: obj.root() and returns: derefed, self